avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.810      0.000   1514.470   1366.780      0.000  17116.920 
avg	     0.009      0.000      7.572      6.834      0.000     85.585 
stddev	     0.030      0.000      4.424      4.781      0.000      7.102 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    997.000      0.000  41251.260      0.000 21094091.350 204526.500  28775.600 139569.890    970.260  20000.040 
avg	     0.000      4.985      0.000    206.256      0.000 105470.457   1022.633    143.878    697.849      4.851    100.000 
stddev	     0.000     26.174      0.000      5.168      0.000   3011.576      7.349      1.101     22.481      0.125      0.166